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o-na [289]
3 years ago
6

Sydney’s teacher says she may have her report card percentage based on either the mean or the median and she can drop one test s

core if she chooses.
94%, 84%, 100%, 68%

Which measure of center should Sydney choose so she can have the highest percentage possible?
Sydney should choose the mean after dropping one test score.
Sydney should choose the mean without dropping one test score.
Sydney should choose the median after dropping one test score.
Sydney should choose the median without dropping one test score.
Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

Sydney should choose the median after dropping one test score.

Step-by-step explanation:

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3 years ago
Find the volume. Help asap. Please.
alexgriva [62]

Use the Pythagorean theorem to find the diameter:

Diameter = √(19.3^2 - 9.5^2)

Diameter = √(372.49 - 90.25)

Diameter = √282.24

Diameter = 16.8 m

Volume of a cylinder = PI x r^2 x h

r = 1/2 diameter = 16.8 /2 = 8.4

h = 9.5 m

Volume = PI x 8.4^2 x 9.5

= PI x 70.56 x 9.5

= PI x 670.32

In terms of PI volume = 670.32PI

As a decimal:

670.32 x 3.14 = 2104.8048 = 2100m^3 ( rounded to the nearest hundred)

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Given that you have 2 parallel lines cut by a transversal, what is the measure of angle 2?
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Step-by-step explanation:

angle 2 = 2x + 10 deg (corresponding angles) or 180 - 4x + 46 deg (angles on a straight line are supplementary)

therefore,

2x + 10 = 226 - 4x

6x = 216

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hence,

angle 2 = 2(36) + 10 = 82deg

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4 0
3 years ago
Solve for x & y solve x = 3 + yy = -2x + 9
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x = 3 + y Eqn(1)

y = -2x + 9​ Eqn(2)

Let us solve the system of equations with the substitution method

x - 3 = y (Subtracting 3 from both sides of the Eqn(1))

Replacing y = x - 3 in Eqn (2), we have:

x - 3 = -2x + 9

x = -2x + 9 + 3 (Adding 3 to both sides of the equation)

x + 2x = 9 + 3 (Adding 2x to both sides of the equation)

3x = 12 ( Adding like terms)

x = 12/3 (Dividing by 3 on both sides of the equation)

x = 4

Replacing x=4 in Eqn(1), we have:

4 = 3 + y

4 - 3 = y (Subtracting 3 from both sides of the equation)

y=1

The answers are:

x= 4 and y=1

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1 year ago
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